function sum(a: number, b: number): number {
  return a + b;
}
console.log(sum(1, 2));
console.log("哈哈");

import { m } from "./js/m1";
console.log("m", m);

const obj = { name: "张三", age: 33 };
console.log("obj", obj);
obj.age = 12;
console.log("obj", obj);
